=================================================================== RCS file: /cvs/mandoc/mdoc_man.c,v retrieving revision 1.3 retrieving revision 1.131 diff -u -p -r1.3 -r1.131 --- mandoc/mdoc_man.c 2011/09/30 00:13:28 1.3 +++ mandoc/mdoc_man.c 2018/12/30 00:49:55 1.131 @@ -1,6 +1,6 @@ -/* $Id: mdoc_man.c,v 1.3 2011/09/30 00:13:28 schwarze Exp $ */ +/* $Id: mdoc_man.c,v 1.131 2018/12/30 00:49:55 schwarze Exp $ */ /* - * Copyright (c) 2011 Ingo Schwarze + * Copyright (c) 2011-2018 Ingo Schwarze * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -14,60 +14,134 @@ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ +#include "config.h" + +#include + +#include #include +#include #include +#include "mandoc_aux.h" #include "mandoc.h" +#include "roff.h" #include "mdoc.h" +#include "man.h" +#include "out.h" #include "main.h" -static int need_space = 0; -static int need_nl = 0; +#define DECL_ARGS const struct roff_meta *meta, struct roff_node *n -#define DECL_ARGS const struct mdoc_meta *m, \ - const struct mdoc_node *n +typedef int (*int_fp)(DECL_ARGS); +typedef void (*void_fp)(DECL_ARGS); -struct manact { - int (*cond)(DECL_ARGS); - int (*pre)(DECL_ARGS); - void (*post)(DECL_ARGS); - const char *prefix; - const char *suffix; +struct mdoc_man_act { + int_fp cond; /* DON'T run actions */ + int_fp pre; /* pre-node action */ + void_fp post; /* post-node action */ + const char *prefix; /* pre-node string constant */ + const char *suffix; /* post-node string constant */ }; -static void print_word(const char *); -static void print_node(DECL_ARGS); - -static int cond_head(DECL_ARGS); static int cond_body(DECL_ARGS); -static int pre_enc(DECL_ARGS); +static int cond_head(DECL_ARGS); +static void font_push(char); +static void font_pop(void); +static int man_strlen(const char *); +static void mid_it(void); +static void post__t(DECL_ARGS); +static void post_aq(DECL_ARGS); +static void post_bd(DECL_ARGS); +static void post_bf(DECL_ARGS); +static void post_bk(DECL_ARGS); +static void post_bl(DECL_ARGS); +static void post_dl(DECL_ARGS); +static void post_en(DECL_ARGS); static void post_enc(DECL_ARGS); +static void post_eo(DECL_ARGS); +static void post_fa(DECL_ARGS); +static void post_fd(DECL_ARGS); +static void post_fl(DECL_ARGS); +static void post_fn(DECL_ARGS); +static void post_fo(DECL_ARGS); +static void post_font(DECL_ARGS); +static void post_in(DECL_ARGS); +static void post_it(DECL_ARGS); +static void post_lb(DECL_ARGS); +static void post_nm(DECL_ARGS); static void post_percent(DECL_ARGS); -static int pre_sect(DECL_ARGS); +static void post_pf(DECL_ARGS); static void post_sect(DECL_ARGS); - +static void post_vt(DECL_ARGS); +static int pre__t(DECL_ARGS); +static int pre_abort(DECL_ARGS); +static int pre_an(DECL_ARGS); static int pre_ap(DECL_ARGS); +static int pre_aq(DECL_ARGS); static int pre_bd(DECL_ARGS); -static void post_bd(DECL_ARGS); -static int pre_br(DECL_ARGS); +static int pre_bf(DECL_ARGS); +static int pre_bk(DECL_ARGS); +static int pre_bl(DECL_ARGS); +static void pre_br(DECL_ARGS); static int pre_dl(DECL_ARGS); -static void post_dl(DECL_ARGS); +static int pre_en(DECL_ARGS); +static int pre_enc(DECL_ARGS); +static int pre_em(DECL_ARGS); +static int pre_skip(DECL_ARGS); +static int pre_eo(DECL_ARGS); +static int pre_ex(DECL_ARGS); +static int pre_fa(DECL_ARGS); +static int pre_fd(DECL_ARGS); +static int pre_fl(DECL_ARGS); +static int pre_fn(DECL_ARGS); +static int pre_fo(DECL_ARGS); +static void pre_ft(DECL_ARGS); +static int pre_Ft(DECL_ARGS); +static int pre_in(DECL_ARGS); static int pre_it(DECL_ARGS); +static int pre_lk(DECL_ARGS); +static int pre_li(DECL_ARGS); static int pre_nm(DECL_ARGS); -static void post_nm(DECL_ARGS); +static int pre_no(DECL_ARGS); static int pre_ns(DECL_ARGS); -static void post_pf(DECL_ARGS); +static void pre_onearg(DECL_ARGS); static int pre_pp(DECL_ARGS); -static int pre_sp(DECL_ARGS); -static void post_sp(DECL_ARGS); +static int pre_rs(DECL_ARGS); +static int pre_sm(DECL_ARGS); +static void pre_sp(DECL_ARGS); +static int pre_sect(DECL_ARGS); +static int pre_sy(DECL_ARGS); +static void pre_syn(const struct roff_node *); +static void pre_ta(DECL_ARGS); +static int pre_vt(DECL_ARGS); static int pre_xr(DECL_ARGS); +static void print_word(const char *); +static void print_line(const char *, int); +static void print_block(const char *, int); +static void print_offs(const char *, int); +static void print_width(const struct mdoc_bl *, + const struct roff_node *); +static void print_count(int *); +static void print_node(DECL_ARGS); +static const void_fp roff_man_acts[ROFF_MAX] = { + pre_br, /* br */ + pre_onearg, /* ce */ + pre_ft, /* ft */ + pre_onearg, /* ll */ + pre_onearg, /* mc */ + pre_onearg, /* po */ + pre_onearg, /* rj */ + pre_sp, /* sp */ + pre_ta, /* ta */ + pre_onearg, /* ti */ +}; -static const struct manact manacts[MDOC_MAX + 1] = { - { NULL, pre_ap, NULL, NULL, NULL }, /* Ap */ +static const struct mdoc_man_act mdoc_man_acts[MDOC_MAX - MDOC_Dd] = { { NULL, NULL, NULL, NULL, NULL }, /* Dd */ { NULL, NULL, NULL, NULL, NULL }, /* Dt */ - { NULL, NULL, NULL, NULL, NULL }, /* _Os */ + { NULL, NULL, NULL, NULL, NULL }, /* Os */ { NULL, pre_sect, post_sect, ".SH", NULL }, /* Sh */ { NULL, pre_sect, post_sect, ".SS", NULL }, /* Ss */ { NULL, pre_pp, NULL, NULL, NULL }, /* Pp */ @@ -75,224 +149,599 @@ static const struct manact manacts[MDOC_MAX + 1] = { { cond_body, pre_dl, post_dl, NULL, NULL }, /* Dl */ { cond_body, pre_bd, post_bd, NULL, NULL }, /* Bd */ { NULL, NULL, NULL, NULL, NULL }, /* Ed */ - { NULL, NULL, NULL, NULL, NULL }, /* Bl */ + { cond_body, pre_bl, post_bl, NULL, NULL }, /* Bl */ { NULL, NULL, NULL, NULL, NULL }, /* El */ - { NULL, pre_it, NULL, NULL, NULL }, /* _It */ - { NULL, NULL, NULL, NULL, NULL }, /* _Ad */ - { NULL, NULL, NULL, NULL, NULL }, /* _An */ - { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Ar */ - { NULL, NULL, NULL, NULL, NULL }, /* _Cd */ - { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Cm */ - { NULL, NULL, NULL, NULL, NULL }, /* _Dv */ - { NULL, NULL, NULL, NULL, NULL }, /* _Er */ - { NULL, NULL, NULL, NULL, NULL }, /* _Ev */ - { NULL, pre_enc, post_enc, "The \\fB", - "\\fP\nutility exits 0 on success, and >0 if an error occurs." - }, /* Ex */ - { NULL, NULL, NULL, NULL, NULL }, /* _Fa */ - { NULL, NULL, NULL, NULL, NULL }, /* _Fd */ - { NULL, pre_enc, post_enc, "\\fB-", "\\fP" }, /* Fl */ - { NULL, NULL, NULL, NULL, NULL }, /* _Fn */ - { NULL, NULL, NULL, NULL, NULL }, /* _Ft */ - { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Ic */ - { NULL, NULL, NULL, NULL, NULL }, /* _In */ - { NULL, NULL, NULL, NULL, NULL }, /* _Li */ + { NULL, pre_it, post_it, NULL, NULL }, /* It */ + { NULL, pre_em, post_font, NULL, NULL }, /* Ad */ + { NULL, pre_an, NULL, NULL, NULL }, /* An */ + { NULL, pre_ap, NULL, NULL, NULL }, /* Ap */ + { NULL, pre_em, post_font, NULL, NULL }, /* Ar */ + { NULL, pre_sy, post_font, NULL, NULL }, /* Cd */ + { NULL, pre_sy, post_font, NULL, NULL }, /* Cm */ + { NULL, pre_li, post_font, NULL, NULL }, /* Dv */ + { NULL, pre_li, post_font, NULL, NULL }, /* Er */ + { NULL, pre_li, post_font, NULL, NULL }, /* Ev */ + { NULL, pre_ex, NULL, NULL, NULL }, /* Ex */ + { NULL, pre_fa, post_fa, NULL, NULL }, /* Fa */ + { NULL, pre_fd, post_fd, NULL, NULL }, /* Fd */ + { NULL, pre_fl, post_fl, NULL, NULL }, /* Fl */ + { NULL, pre_fn, post_fn, NULL, NULL }, /* Fn */ + { NULL, pre_Ft, post_font, NULL, NULL }, /* Ft */ + { NULL, pre_sy, post_font, NULL, NULL }, /* Ic */ + { NULL, pre_in, post_in, NULL, NULL }, /* In */ + { NULL, pre_li, post_font, NULL, NULL }, /* Li */ { cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */ { NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */ { cond_body, pre_enc, post_enc, "[", "]" }, /* Op */ - { NULL, NULL, NULL, NULL, NULL }, /* _Ot */ - { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* _Pa */ - { NULL, NULL, NULL, NULL, NULL }, /* _Rv */ - { NULL, NULL, NULL, NULL, NULL }, /* _St */ - { NULL, NULL, NULL, NULL, NULL }, /* _Va */ - { NULL, NULL, NULL, NULL, NULL }, /* _Vt */ - { NULL, pre_xr, NULL, NULL, NULL }, /* _Xr */ - { NULL, NULL, post_percent, NULL, NULL }, /* _%A */ - { NULL, NULL, NULL, NULL, NULL }, /* _%B */ - { NULL, NULL, post_percent, NULL, NULL }, /* _%D */ - { NULL, NULL, NULL, NULL, NULL }, /* _%I */ - { NULL, pre_enc, post_percent, "\\fI", "\\fP" }, /* %J */ - { NULL, NULL, NULL, NULL, NULL }, /* _%N */ - { NULL, NULL, NULL, NULL, NULL }, /* _%O */ - { NULL, NULL, NULL, NULL, NULL }, /* _%P */ - { NULL, NULL, NULL, NULL, NULL }, /* _%R */ - { NULL, pre_enc, post_percent, "\"", "\"" }, /* %T */ - { NULL, NULL, NULL, NULL, NULL }, /* _%V */ - { NULL, NULL, NULL, NULL, NULL }, /* _Ac */ - { NULL, NULL, NULL, NULL, NULL }, /* _Ao */ - { cond_body, pre_enc, post_enc, "<", ">" }, /* Aq */ - { NULL, NULL, NULL, NULL, NULL }, /* _At */ + { NULL, pre_abort, NULL, NULL, NULL }, /* Ot */ + { NULL, pre_em, post_font, NULL, NULL }, /* Pa */ + { NULL, pre_ex, NULL, NULL, NULL }, /* Rv */ + { NULL, NULL, NULL, NULL, NULL }, /* St */ + { NULL, pre_em, post_font, NULL, NULL }, /* Va */ + { NULL, pre_vt, post_vt, NULL, NULL }, /* Vt */ + { NULL, pre_xr, NULL, NULL, NULL }, /* Xr */ + { NULL, NULL, post_percent, NULL, NULL }, /* %A */ + { NULL, pre_em, post_percent, NULL, NULL }, /* %B */ + { NULL, NULL, post_percent, NULL, NULL }, /* %D */ + { NULL, pre_em, post_percent, NULL, NULL }, /* %I */ + { NULL, pre_em, post_percent, NULL, NULL }, /* %J */ + { NULL, NULL, post_percent, NULL, NULL }, /* %N */ + { NULL, NULL, post_percent, NULL, NULL }, /* %O */ + { NULL, NULL, post_percent, NULL, NULL }, /* %P */ + { NULL, NULL, post_percent, NULL, NULL }, /* %R */ + { NULL, pre__t, post__t, NULL, NULL }, /* %T */ + { NULL, NULL, post_percent, NULL, NULL }, /* %V */ + { NULL, NULL, NULL, NULL, NULL }, /* Ac */ + { cond_body, pre_aq, post_aq, NULL, NULL }, /* Ao */ + { cond_body, pre_aq, post_aq, NULL, NULL }, /* Aq */ + { NULL, NULL, NULL, NULL, NULL }, /* At */ { NULL, NULL, NULL, NULL, NULL }, /* Bc */ - { NULL, NULL, NULL, NULL, NULL }, /* _Bf */ + { NULL, pre_bf, post_bf, NULL, NULL }, /* Bf */ { cond_body, pre_enc, post_enc, "[", "]" }, /* Bo */ { cond_body, pre_enc, post_enc, "[", "]" }, /* Bq */ - { NULL, NULL, NULL, NULL, NULL }, /* _Bsx */ - { NULL, NULL, NULL, NULL, NULL }, /* _Bx */ - { NULL, NULL, NULL, NULL, NULL }, /* _Db */ - { NULL, NULL, NULL, NULL, NULL }, /* _Dc */ - { NULL, NULL, NULL, NULL, NULL }, /* _Do */ - { cond_body, pre_enc, post_enc, "``", "''" }, /* Dq */ - { NULL, NULL, NULL, NULL, NULL }, /* _Ec */ - { NULL, NULL, NULL, NULL, NULL }, /* _Ef */ - { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Em */ - { NULL, NULL, NULL, NULL, NULL }, /* _Eo */ - { NULL, NULL, NULL, NULL, NULL }, /* _Fx */ - { NULL, NULL, NULL, NULL, NULL }, /* _Ms */ - { NULL, NULL, NULL, NULL, NULL }, /* _No */ + { NULL, pre_bk, post_bk, NULL, NULL }, /* Bsx */ + { NULL, pre_bk, post_bk, NULL, NULL }, /* Bx */ + { NULL, pre_skip, NULL, NULL, NULL }, /* Db */ + { NULL, NULL, NULL, NULL, NULL }, /* Dc */ + { cond_body, pre_enc, post_enc, "\\(lq", "\\(rq" }, /* Do */ + { cond_body, pre_enc, post_enc, "\\(lq", "\\(rq" }, /* Dq */ + { NULL, NULL, NULL, NULL, NULL }, /* Ec */ + { NULL, NULL, NULL, NULL, NULL }, /* Ef */ + { NULL, pre_em, post_font, NULL, NULL }, /* Em */ + { cond_body, pre_eo, post_eo, NULL, NULL }, /* Eo */ + { NULL, pre_bk, post_bk, NULL, NULL }, /* Fx */ + { NULL, pre_sy, post_font, NULL, NULL }, /* Ms */ + { NULL, pre_no, NULL, NULL, NULL }, /* No */ { NULL, pre_ns, NULL, NULL, NULL }, /* Ns */ - { NULL, NULL, NULL, NULL, NULL }, /* _Nx */ - { NULL, NULL, NULL, NULL, NULL }, /* _Ox */ + { NULL, pre_bk, post_bk, NULL, NULL }, /* Nx */ + { NULL, pre_bk, post_bk, NULL, NULL }, /* Ox */ { NULL, NULL, NULL, NULL, NULL }, /* Pc */ { NULL, NULL, post_pf, NULL, NULL }, /* Pf */ { cond_body, pre_enc, post_enc, "(", ")" }, /* Po */ { cond_body, pre_enc, post_enc, "(", ")" }, /* Pq */ - { NULL, NULL, NULL, NULL, NULL }, /* _Qc */ - { cond_body, pre_enc, post_enc, "`", "'" }, /* Ql */ - { NULL, NULL, NULL, NULL, NULL }, /* _Qo */ - { NULL, NULL, NULL, NULL, NULL }, /* _Qq */ - { NULL, NULL, NULL, NULL, NULL }, /* _Re */ - { cond_body, pre_pp, NULL, NULL, NULL }, /* Rs */ - { NULL, NULL, NULL, NULL, NULL }, /* _Sc */ - { NULL, NULL, NULL, NULL, NULL }, /* _So */ - { cond_body, pre_enc, post_enc, "`", "'" }, /* Sq */ - { NULL, NULL, NULL, NULL, NULL }, /* _Sm */ - { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Sx */ - { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Sy */ - { NULL, NULL, NULL, NULL, NULL }, /* _Tn */ - { NULL, NULL, NULL, NULL, NULL }, /* _Ux */ - { NULL, NULL, NULL, NULL, NULL }, /* _Xc */ - { NULL, NULL, NULL, NULL, NULL }, /* _Xo */ - { NULL, NULL, NULL, NULL, NULL }, /* _Fo */ - { NULL, NULL, NULL, NULL, NULL }, /* _Fc */ + { NULL, NULL, NULL, NULL, NULL }, /* Qc */ + { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Ql */ + { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qo */ + { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qq */ + { NULL, NULL, NULL, NULL, NULL }, /* Re */ + { cond_body, pre_rs, NULL, NULL, NULL }, /* Rs */ + { NULL, NULL, NULL, NULL, NULL }, /* Sc */ + { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* So */ + { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Sq */ + { NULL, pre_sm, NULL, NULL, NULL }, /* Sm */ + { NULL, pre_em, post_font, NULL, NULL }, /* Sx */ + { NULL, pre_sy, post_font, NULL, NULL }, /* Sy */ + { NULL, pre_li, post_font, NULL, NULL }, /* Tn */ + { NULL, NULL, NULL, NULL, NULL }, /* Ux */ + { NULL, NULL, NULL, NULL, NULL }, /* Xc */ + { NULL, NULL, NULL, NULL, NULL }, /* Xo */ + { NULL, pre_fo, post_fo, NULL, NULL }, /* Fo */ + { NULL, NULL, NULL, NULL, NULL }, /* Fc */ { cond_body, pre_enc, post_enc, "[", "]" }, /* Oo */ - { NULL, NULL, NULL, NULL, NULL }, /* _Oc */ - { NULL, NULL, NULL, NULL, NULL }, /* _Bk */ - { NULL, NULL, NULL, NULL, NULL }, /* _Ek */ - { NULL, NULL, NULL, NULL, NULL }, /* _Bt */ - { NULL, NULL, NULL, NULL, NULL }, /* _Hf */ - { NULL, NULL, NULL, NULL, NULL }, /* _Fr */ - { NULL, NULL, NULL, NULL, NULL }, /* _Ud */ - { NULL, NULL, NULL, NULL, NULL }, /* _Lb */ - { NULL, pre_pp, NULL, NULL, NULL }, /* Lp */ - { NULL, NULL, NULL, NULL, NULL }, /* _Lk */ - { NULL, NULL, NULL, NULL, NULL }, /* _Mt */ - { NULL, NULL, NULL, NULL, NULL }, /* _Brq */ - { NULL, NULL, NULL, NULL, NULL }, /* _Bro */ - { NULL, NULL, NULL, NULL, NULL }, /* _Brc */ - { NULL, NULL, NULL, NULL, NULL }, /* _%C */ - { NULL, NULL, NULL, NULL, NULL }, /* _Es */ - { NULL, NULL, NULL, NULL, NULL }, /* _En */ - { NULL, NULL, NULL, NULL, NULL }, /* _Dx */ - { NULL, NULL, NULL, NULL, NULL }, /* _%Q */ - { NULL, pre_br, NULL, NULL, NULL }, /* br */ - { NULL, pre_sp, post_sp, NULL, NULL }, /* sp */ - { NULL, NULL, NULL, NULL, NULL }, /* _%U */ - { NULL, NULL, NULL, NULL, NULL }, /* _Ta */ - { NULL, NULL, NULL, NULL, NULL }, /* ROOT */ + { NULL, NULL, NULL, NULL, NULL }, /* Oc */ + { NULL, pre_bk, post_bk, NULL, NULL }, /* Bk */ + { NULL, NULL, NULL, NULL, NULL }, /* Ek */ + { NULL, NULL, NULL, NULL, NULL }, /* Bt */ + { NULL, NULL, NULL, NULL, NULL }, /* Hf */ + { NULL, pre_em, post_font, NULL, NULL }, /* Fr */ + { NULL, NULL, NULL, NULL, NULL }, /* Ud */ + { NULL, NULL, post_lb, NULL, NULL }, /* Lb */ + { NULL, pre_abort, NULL, NULL, NULL }, /* Lp */ + { NULL, pre_lk, NULL, NULL, NULL }, /* Lk */ + { NULL, pre_em, post_font, NULL, NULL }, /* Mt */ + { cond_body, pre_enc, post_enc, "{", "}" }, /* Brq */ + { cond_body, pre_enc, post_enc, "{", "}" }, /* Bro */ + { NULL, NULL, NULL, NULL, NULL }, /* Brc */ + { NULL, NULL, post_percent, NULL, NULL }, /* %C */ + { NULL, pre_skip, NULL, NULL, NULL }, /* Es */ + { cond_body, pre_en, post_en, NULL, NULL }, /* En */ + { NULL, pre_bk, post_bk, NULL, NULL }, /* Dx */ + { NULL, NULL, post_percent, NULL, NULL }, /* %Q */ + { NULL, NULL, post_percent, NULL, NULL }, /* %U */ + { NULL, NULL, NULL, NULL, NULL }, /* Ta */ }; +static const struct mdoc_man_act *mdoc_man_act(enum roff_tok); +static int outflags; +#define MMAN_spc (1 << 0) /* blank character before next word */ +#define MMAN_spc_force (1 << 1) /* even before trailing punctuation */ +#define MMAN_nl (1 << 2) /* break man(7) code line */ +#define MMAN_br (1 << 3) /* break output line */ +#define MMAN_sp (1 << 4) /* insert a blank output line */ +#define MMAN_PP (1 << 5) /* reset indentation etc. */ +#define MMAN_Sm (1 << 6) /* horizontal spacing mode */ +#define MMAN_Bk (1 << 7) /* word keep mode */ +#define MMAN_Bk_susp (1 << 8) /* suspend this (after a macro) */ +#define MMAN_An_split (1 << 9) /* author mode is "split" */ +#define MMAN_An_nosplit (1 << 10) /* author mode is "nosplit" */ +#define MMAN_PD (1 << 11) /* inter-paragraph spacing disabled */ +#define MMAN_nbrword (1 << 12) /* do not break the next word */ +#define BL_STACK_MAX 32 + +static int Bl_stack[BL_STACK_MAX]; /* offsets [chars] */ +static int Bl_stack_post[BL_STACK_MAX]; /* add final .RE */ +static int Bl_stack_len; /* number of nested Bl blocks */ +static int TPremain; /* characters before tag is full */ + +static struct { + char *head; + char *tail; + size_t size; +} fontqueue; + + +static const struct mdoc_man_act * +mdoc_man_act(enum roff_tok tok) +{ + assert(tok >= MDOC_Dd && tok <= MDOC_MAX); + return mdoc_man_acts + (tok - MDOC_Dd); +} + +static int +man_strlen(const char *cp) +{ + size_t rsz; + int skip, sz; + + sz = 0; + skip = 0; + for (;;) { + rsz = strcspn(cp, "\\"); + if (rsz) { + cp += rsz; + if (skip) { + skip = 0; + rsz--; + } + sz += rsz; + } + if ('\0' == *cp) + break; + cp++; + switch (mandoc_escape(&cp, NULL, NULL)) { + case ESCAPE_ERROR: + return sz; + case ESCAPE_UNICODE: + case ESCAPE_NUMBERED: + case ESCAPE_SPECIAL: + case ESCAPE_UNDEF: + case ESCAPE_OVERSTRIKE: + if (skip) + skip = 0; + else + sz++; + break; + case ESCAPE_SKIPCHAR: + skip = 1; + break; + default: + break; + } + } + return sz; +} + static void +font_push(char newfont) +{ + + if (fontqueue.head + fontqueue.size <= ++fontqueue.tail) { + fontqueue.size += 8; + fontqueue.head = mandoc_realloc(fontqueue.head, + fontqueue.size); + } + *fontqueue.tail = newfont; + print_word(""); + printf("\\f"); + putchar(newfont); + outflags &= ~MMAN_spc; +} + +static void +font_pop(void) +{ + + if (fontqueue.tail > fontqueue.head) + fontqueue.tail--; + outflags &= ~MMAN_spc; + print_word(""); + printf("\\f"); + putchar(*fontqueue.tail); +} + +static void print_word(const char *s) { - if (need_nl) { - putchar('\n'); - need_space = 0; - need_nl = 0; - } else if (need_space && - (NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1])) - putchar(' '); - need_space = ('(' != s[0] && '[' != s[0]) || '\0' != s[1]; + + if ((MMAN_PP | MMAN_sp | MMAN_br | MMAN_nl) & outflags) { + /* + * If we need a newline, print it now and start afresh. + */ + if (MMAN_PP & outflags) { + if (MMAN_sp & outflags) { + if (MMAN_PD & outflags) { + printf("\n.PD"); + outflags &= ~MMAN_PD; + } + } else if ( ! (MMAN_PD & outflags)) { + printf("\n.PD 0"); + outflags |= MMAN_PD; + } + printf("\n.PP\n"); + } else if (MMAN_sp & outflags) + printf("\n.sp\n"); + else if (MMAN_br & outflags) + printf("\n.br\n"); + else if (MMAN_nl & outflags) + putchar('\n'); + outflags &= ~(MMAN_PP|MMAN_sp|MMAN_br|MMAN_nl|MMAN_spc); + if (1 == TPremain) + printf(".br\n"); + TPremain = 0; + } else if (MMAN_spc & outflags) { + /* + * If we need a space, only print it if + * (1) it is forced by `No' or + * (2) what follows is not terminating punctuation or + * (3) what follows is longer than one character. + */ + if (MMAN_spc_force & outflags || '\0' == s[0] || + NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]) { + if (MMAN_Bk & outflags && + ! (MMAN_Bk_susp & outflags)) + putchar('\\'); + putchar(' '); + if (TPremain) + TPremain--; + } + } + + /* + * Reassign needing space if we're not following opening + * punctuation. + */ + if (MMAN_Sm & outflags && ('\0' == s[0] || + (('(' != s[0] && '[' != s[0]) || '\0' != s[1]))) + outflags |= MMAN_spc; + else + outflags &= ~MMAN_spc; + outflags &= ~(MMAN_spc_force | MMAN_Bk_susp); + for ( ; *s; s++) { switch (*s) { - case (ASCII_NBRSP): - printf("\\~"); + case ASCII_NBRSP: + printf("\\ "); break; - case (ASCII_HYPH): + case ASCII_HYPH: putchar('-'); break; + case ASCII_BREAK: + printf("\\:"); + break; + case ' ': + if (MMAN_nbrword & outflags) { + printf("\\ "); + break; + } + /* FALLTHROUGH */ default: - putchar(*s); + putchar((unsigned char)*s); break; } + if (TPremain) + TPremain--; } + outflags &= ~MMAN_nbrword; } +static void +print_line(const char *s, int newflags) +{ + + outflags |= MMAN_nl; + print_word(s); + outflags |= newflags; +} + +static void +print_block(const char *s, int newflags) +{ + + outflags &= ~MMAN_PP; + if (MMAN_sp & outflags) { + outflags &= ~(MMAN_sp | MMAN_br); + if (MMAN_PD & outflags) { + print_line(".PD", 0); + outflags &= ~MMAN_PD; + } + } else if (! (MMAN_PD & outflags)) + print_line(".PD 0", MMAN_PD); + outflags |= MMAN_nl; + print_word(s); + outflags |= MMAN_Bk_susp | newflags; +} + +static void +print_offs(const char *v, int keywords) +{ + char buf[24]; + struct roffsu su; + const char *end; + int sz; + + print_line(".RS", MMAN_Bk_susp); + + /* Convert v into a number (of characters). */ + if (NULL == v || '\0' == *v || (keywords && !strcmp(v, "left"))) + sz = 0; + else if (keywords && !strcmp(v, "indent")) + sz = 6; + else if (keywords && !strcmp(v, "indent-two")) + sz = 12; + else { + end = a2roffsu(v, &su, SCALE_EN); + if (end == NULL || *end != '\0') + sz = man_strlen(v); + else if (SCALE_EN == su.unit) + sz = su.scale; + else { + /* + * XXX + * If we are inside an enclosing list, + * there is no easy way to add the two + * indentations because they are provided + * in terms of different units. + */ + print_word(v); + outflags |= MMAN_nl; + return; + } + } + + /* + * We are inside an enclosing list. + * Add the two indentations. + */ + if (Bl_stack_len) + sz += Bl_stack[Bl_stack_len - 1]; + + (void)snprintf(buf, sizeof(buf), "%dn", sz); + print_word(buf); + outflags |= MMAN_nl; +} + +/* + * Set up the indentation for a list item; used from pre_it(). + */ +static void +print_width(const struct mdoc_bl *bl, const struct roff_node *child) +{ + char buf[24]; + struct roffsu su; + const char *end; + int numeric, remain, sz, chsz; + + numeric = 1; + remain = 0; + + /* Convert the width into a number (of characters). */ + if (bl->width == NULL) + sz = (bl->type == LIST_hang) ? 6 : 0; + else { + end = a2roffsu(bl->width, &su, SCALE_MAX); + if (end == NULL || *end != '\0') + sz = man_strlen(bl->width); + else if (SCALE_EN == su.unit) + sz = su.scale; + else { + sz = 0; + numeric = 0; + } + } + + /* XXX Rough estimation, might have multiple parts. */ + if (bl->type == LIST_enum) + chsz = (bl->count > 8) + 1; + else if (child != NULL && child->type == ROFFT_TEXT) + chsz = man_strlen(child->string); + else + chsz = 0; + + /* Maybe we are inside an enclosing list? */ + mid_it(); + + /* + * Save our own indentation, + * such that child lists can use it. + */ + Bl_stack[Bl_stack_len++] = sz + 2; + + /* Set up the current list. */ + if (chsz > sz && bl->type != LIST_tag) + print_block(".HP", 0); + else { + print_block(".TP", 0); + remain = sz + 2; + } + if (numeric) { + (void)snprintf(buf, sizeof(buf), "%dn", sz + 2); + print_word(buf); + } else + print_word(bl->width); + TPremain = remain; +} + +static void +print_count(int *count) +{ + char buf[24]; + + (void)snprintf(buf, sizeof(buf), "%d.\\&", ++*count); + print_word(buf); +} + void -man_mdoc(void *arg, const struct mdoc *mdoc) +man_mdoc(void *arg, const struct roff_meta *mdoc) { - const struct mdoc_meta *m; - const struct mdoc_node *n; + struct roff_node *n; - m = mdoc_meta(mdoc); - n = mdoc_node(mdoc); + printf(".\\\" Automatically generated from an mdoc input file." + " Do not edit.\n"); + for (n = mdoc->first->child; n != NULL; n = n->next) { + if (n->type != ROFFT_COMMENT) + break; + printf(".\\\"%s\n", n->string); + } - printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"", - m->title, m->msec, m->date, m->os, m->vol); - need_nl = 1; - need_space = 0; + printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"\n", + mdoc->title, (mdoc->msec == NULL ? "" : mdoc->msec), + mdoc->date, mdoc->os, mdoc->vol); - print_node(m, n); + /* Disable hyphenation and if nroff, disable justification. */ + printf(".nh\n.if n .ad l"); + + outflags = MMAN_nl | MMAN_Sm; + if (0 == fontqueue.size) { + fontqueue.size = 8; + fontqueue.head = fontqueue.tail = mandoc_malloc(8); + *fontqueue.tail = 'R'; + } + for (; n != NULL; n = n->next) + print_node(mdoc, n); putchar('\n'); } static void print_node(DECL_ARGS) { - const struct mdoc_node *prev, *sub; - const struct manact *act = NULL; - int cond, do_sub; + const struct mdoc_man_act *act; + struct roff_node *sub; + int cond, do_sub; - prev = n->prev ? n->prev : n->parent; - if (prev && prev->line < n->line) - need_nl = 1; + if (n->flags & NODE_NOPRT) + return; + /* + * Break the line if we were parsed subsequent the current node. + * This makes the page structure be more consistent. + */ + if (MMAN_spc & outflags && NODE_LINE & n->flags) + outflags |= MMAN_nl; + + act = NULL; cond = 0; do_sub = 1; - if (MDOC_TEXT == n->type) { - if (need_nl && ('.' == *n->string || '\'' == *n->string)) { - print_word("\\&"); - need_space = 0; + n->flags &= ~NODE_ENDED; + + if (n->type == ROFFT_TEXT) { + /* + * Make sure that we don't happen to start with a + * control character at the start of a line. + */ + if (MMAN_nl & outflags && + ('.' == *n->string || '\'' == *n->string)) { + print_word(""); + printf("\\&"); + outflags &= ~MMAN_spc; } + if (n->flags & NODE_DELIMC) + outflags &= ~(MMAN_spc | MMAN_spc_force); + else if (outflags & MMAN_Sm) + outflags |= MMAN_spc_force; print_word(n->string); + if (n->flags & NODE_DELIMO) + outflags &= ~(MMAN_spc | MMAN_spc_force); + else if (outflags & MMAN_Sm) + outflags |= MMAN_spc; + } else if (n->tok < ROFF_MAX) { + (*roff_man_acts[n->tok])(meta, n); + return; } else { - act = manacts + n->tok; - cond = NULL == act->cond || (*act->cond)(m, n); - if (cond && act->pre) - do_sub = (*act->pre)(m, n); + /* + * Conditionally run the pre-node action handler for a + * node. + */ + act = mdoc_man_act(n->tok); + cond = act->cond == NULL || (*act->cond)(meta, n); + if (cond && act->pre != NULL && + (n->end == ENDBODY_NOT || n->child != NULL)) + do_sub = (*act->pre)(meta, n); } + /* + * Conditionally run all child nodes. + * Note that this iterates over children instead of using + * recursion. This prevents unnecessary depth in the stack. + */ if (do_sub) for (sub = n->child; sub; sub = sub->next) - print_node(m, sub); + print_node(meta, sub); + /* + * Lastly, conditionally run the post-node handler. + */ + if (NODE_ENDED & n->flags) + return; + if (cond && act->post) - (*act->post)(m, n); + (*act->post)(meta, n); + + if (ENDBODY_NOT != n->end) + n->body->flags |= NODE_ENDED; } static int cond_head(DECL_ARGS) { - return(MDOC_HEAD == n->type); + + return n->type == ROFFT_HEAD; } static int cond_body(DECL_ARGS) { - return(MDOC_BODY == n->type); + + return n->type == ROFFT_BODY; } static int +pre_abort(DECL_ARGS) +{ + abort(); +} + +static int pre_enc(DECL_ARGS) { - const char *prefix; + const char *prefix; - prefix = manacts[n->tok].prefix; + prefix = mdoc_man_act(n->tok)->prefix; if (NULL == prefix) - return(1); + return 1; print_word(prefix); - need_space = 0; - return(1); + outflags &= ~MMAN_spc; + return 1; } static void @@ -300,220 +749,1055 @@ post_enc(DECL_ARGS) { const char *suffix; - suffix = manacts[n->tok].suffix; + suffix = mdoc_man_act(n->tok)->suffix; if (NULL == suffix) return; - need_space = 0; + outflags &= ~(MMAN_spc | MMAN_nl); print_word(suffix); } +static int +pre_ex(DECL_ARGS) +{ + outflags |= MMAN_br | MMAN_nl; + return 1; +} + static void +post_font(DECL_ARGS) +{ + + font_pop(); +} + +static void post_percent(DECL_ARGS) { - post_enc(m, n); - if (n->next) + if (mdoc_man_act(n->tok)->pre == pre_em) + font_pop(); + if (n->next) { print_word(","); - else { + if (n->prev && n->prev->tok == n->tok && + n->next->tok == n->tok) + print_word("and"); + } else { print_word("."); - need_nl = 1; + outflags |= MMAN_nl; } } static int +pre__t(DECL_ARGS) +{ + + if (n->parent->tok == MDOC_Rs && n->parent->norm->Rs.quote_T) { + print_word("\\(lq"); + outflags &= ~MMAN_spc; + } else + font_push('I'); + return 1; +} + +static void +post__t(DECL_ARGS) +{ + + if (n->parent->tok == MDOC_Rs && n->parent->norm->Rs.quote_T) { + outflags &= ~MMAN_spc; + print_word("\\(rq"); + } else + font_pop(); + post_percent(meta, n); +} + +/* + * Print before a section header. + */ +static int pre_sect(DECL_ARGS) { - if (MDOC_HEAD != n->type) - return(1); - need_nl = 1; - print_word(manacts[n->tok].prefix); - print_word("\""); - need_space = 0; - return(1); + if (n->type == ROFFT_HEAD) { + outflags |= MMAN_sp; + print_block(mdoc_man_act(n->tok)->prefix, 0); + print_word(""); + putchar('\"'); + outflags &= ~MMAN_spc; + } + return 1; } +/* + * Print subsequent a section header. + */ static void post_sect(DECL_ARGS) { - if (MDOC_HEAD != n->type) + if (n->type != ROFFT_HEAD) return; - need_space = 0; - print_word("\""); - need_nl = 1; + outflags &= ~MMAN_spc; + print_word(""); + putchar('\"'); + outflags |= MMAN_nl; + if (MDOC_Sh == n->tok && SEC_AUTHORS == n->sec) + outflags &= ~(MMAN_An_split | MMAN_An_nosplit); } +/* See mdoc_term.c, synopsis_pre() for comments. */ +static void +pre_syn(const struct roff_node *n) +{ + + if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags)) + return; + + if (n->prev->tok == n->tok && + MDOC_Ft != n->tok && + MDOC_Fo != n->tok && + MDOC_Fn != n->tok) { + outflags |= MMAN_br; + return; + } + + switch (n->prev->tok) { + case MDOC_Fd: + case MDOC_Fn: + case MDOC_Fo: + case MDOC_In: + case MDOC_Vt: + outflags |= MMAN_sp; + break; + case MDOC_Ft: + if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) { + outflags |= MMAN_sp; + break; + } + /* FALLTHROUGH */ + default: + outflags |= MMAN_br; + break; + } +} + static int +pre_an(DECL_ARGS) +{ + + switch (n->norm->An.auth) { + case AUTH_split: + outflags &= ~MMAN_An_nosplit; + outflags |= MMAN_An_split; + return 0; + case AUTH_nosplit: + outflags &= ~MMAN_An_split; + outflags |= MMAN_An_nosplit; + return 0; + default: + if (MMAN_An_split & outflags) + outflags |= MMAN_br; + else if (SEC_AUTHORS == n->sec && + ! (MMAN_An_nosplit & outflags)) + outflags |= MMAN_An_split; + return 1; + } +} + +static int pre_ap(DECL_ARGS) { - need_space = 0; + outflags &= ~MMAN_spc; print_word("'"); - need_space = 0; - return(0); + outflags &= ~MMAN_spc; + return 0; } static int +pre_aq(DECL_ARGS) +{ + + print_word(n->child != NULL && n->child->next == NULL && + n->child->tok == MDOC_Mt ? "<" : "\\(la"); + outflags &= ~MMAN_spc; + return 1; +} + +static void +post_aq(DECL_ARGS) +{ + + outflags &= ~(MMAN_spc | MMAN_nl); + print_word(n->child != NULL && n->child->next == NULL && + n->child->tok == MDOC_Mt ? ">" : "\\(ra"); +} + +static int pre_bd(DECL_ARGS) { + outflags &= ~(MMAN_PP | MMAN_sp | MMAN_br); + if (DISP_unfilled == n->norm->Bd.type || - DISP_literal == n->norm->Bd.type) { - need_nl = 1; - print_word(".nf"); - } - need_nl = 1; - return(1); + DISP_literal == n->norm->Bd.type) + print_line(".nf", 0); + if (0 == n->norm->Bd.comp && NULL != n->parent->prev) + outflags |= MMAN_sp; + print_offs(n->norm->Bd.offs, 1); + return 1; } static void post_bd(DECL_ARGS) { + /* Close out this display. */ + print_line(".RE", MMAN_nl); if (DISP_unfilled == n->norm->Bd.type || - DISP_literal == n->norm->Bd.type) { - need_nl = 1; - print_word(".fi"); + DISP_literal == n->norm->Bd.type) + print_line(".fi", MMAN_nl); + + /* Maybe we are inside an enclosing list? */ + if (NULL != n->parent->next) + mid_it(); +} + +static int +pre_bf(DECL_ARGS) +{ + + switch (n->type) { + case ROFFT_BLOCK: + return 1; + case ROFFT_BODY: + break; + default: + return 0; } - need_nl = 1; + switch (n->norm->Bf.font) { + case FONT_Em: + font_push('I'); + break; + case FONT_Sy: + font_push('B'); + break; + default: + font_push('R'); + break; + } + return 1; } +static void +post_bf(DECL_ARGS) +{ + + if (n->type == ROFFT_BODY) + font_pop(); +} + static int -pre_br(DECL_ARGS) +pre_bk(DECL_ARGS) { + switch (n->type) { + case ROFFT_BLOCK: + return 1; + case ROFFT_BODY: + case ROFFT_ELEM: + outflags |= MMAN_Bk; + return 1; + default: + return 0; + } +} - need_nl = 1; - print_word(".br"); - need_nl = 1; - return(0); +static void +post_bk(DECL_ARGS) +{ + switch (n->type) { + case ROFFT_ELEM: + while ((n = n->parent) != NULL) + if (n->tok == MDOC_Bk) + return; + /* FALLTHROUGH */ + case ROFFT_BODY: + outflags &= ~MMAN_Bk; + break; + default: + break; + } } static int +pre_bl(DECL_ARGS) +{ + size_t icol; + + /* + * print_offs() will increase the -offset to account for + * a possible enclosing .It, but any enclosed .It blocks + * just nest and do not add up their indentation. + */ + if (n->norm->Bl.offs) { + print_offs(n->norm->Bl.offs, 0); + Bl_stack[Bl_stack_len++] = 0; + } + + switch (n->norm->Bl.type) { + case LIST_enum: + n->norm->Bl.count = 0; + return 1; + case LIST_column: + break; + default: + return 1; + } + + if (n->child != NULL) { + print_line(".TS", MMAN_nl); + for (icol = 0; icol < n->norm->Bl.ncols; icol++) + print_word("l"); + print_word("."); + } + outflags |= MMAN_nl; + return 1; +} + +static void +post_bl(DECL_ARGS) +{ + + switch (n->norm->Bl.type) { + case LIST_column: + if (n->child != NULL) + print_line(".TE", 0); + break; + case LIST_enum: + n->norm->Bl.count = 0; + break; + default: + break; + } + + if (n->norm->Bl.offs) { + print_line(".RE", MMAN_nl); + assert(Bl_stack_len); + Bl_stack_len--; + assert(0 == Bl_stack[Bl_stack_len]); + } else { + outflags |= MMAN_PP | MMAN_nl; + outflags &= ~(MMAN_sp | MMAN_br); + } + + /* Maybe we are inside an enclosing list? */ + if (NULL != n->parent->next) + mid_it(); + +} + +static void +pre_br(DECL_ARGS) +{ + outflags |= MMAN_br; +} + +static int pre_dl(DECL_ARGS) { - need_nl = 1; - print_word(".RS 6n"); - need_nl = 1; - return(1); + print_offs("6n", 0); + return 1; } static void post_dl(DECL_ARGS) { - need_nl = 1; - print_word(".RE"); - need_nl = 1; + print_line(".RE", MMAN_nl); + + /* Maybe we are inside an enclosing list? */ + if (NULL != n->parent->next) + mid_it(); } static int +pre_em(DECL_ARGS) +{ + + font_push('I'); + return 1; +} + +static int +pre_en(DECL_ARGS) +{ + + if (NULL == n->norm->Es || + NULL == n->norm->Es->child) + return 1; + + print_word(n->norm->Es->child->string); + outflags &= ~MMAN_spc; + return 1; +} + +static void +post_en(DECL_ARGS) +{ + + if (NULL == n->norm->Es || + NULL == n->norm->Es->child || + NULL == n->norm->Es->child->next) + return; + + outflags &= ~MMAN_spc; + print_word(n->norm->Es->child->next->string); + return; +} + +static int +pre_eo(DECL_ARGS) +{ + + if (n->end == ENDBODY_NOT && + n->parent->head->child == NULL && + n->child != NULL && + n->child->end != ENDBODY_NOT) + print_word("\\&"); + else if (n->end != ENDBODY_NOT ? n->child != NULL : + n->parent->head->child != NULL && (n->child != NULL || + (n->parent->tail != NULL && n->parent->tail->child != NULL))) + outflags &= ~(MMAN_spc | MMAN_nl); + return 1; +} + +static void +post_eo(DECL_ARGS) +{ + int body, tail; + + if (n->end != ENDBODY_NOT) { + outflags |= MMAN_spc; + return; + } + + body = n->child != NULL || n->parent->head->child != NULL; + tail = n->parent->tail != NULL && n->parent->tail->child != NULL; + + if (body && tail) + outflags &= ~MMAN_spc; + else if ( ! (body || tail)) + print_word("\\&"); + else if ( ! tail) + outflags |= MMAN_spc; +} + +static int +pre_fa(DECL_ARGS) +{ + int am_Fa; + + am_Fa = MDOC_Fa == n->tok; + + if (am_Fa) + n = n->child; + + while (NULL != n) { + font_push('I'); + if (am_Fa || NODE_SYNPRETTY & n->flags) + outflags |= MMAN_nbrword; + print_node(meta, n); + font_pop(); + if (NULL != (n = n->next)) + print_word(","); + } + return 0; +} + +static void +post_fa(DECL_ARGS) +{ + + if (NULL != n->next && MDOC_Fa == n->next->tok) + print_word(","); +} + +static int +pre_fd(DECL_ARGS) +{ + + pre_syn(n); + font_push('B'); + return 1; +} + +static void +post_fd(DECL_ARGS) +{ + + font_pop(); + outflags |= MMAN_br; +} + +static int +pre_fl(DECL_ARGS) +{ + + font_push('B'); + print_word("\\-"); + if (n->child != NULL) + outflags &= ~MMAN_spc; + return 1; +} + +static void +post_fl(DECL_ARGS) +{ + + font_pop(); + if (!(n->child != NULL || + n->next == NULL || + n->next->type == ROFFT_TEXT || + n->next->flags & NODE_LINE)) + outflags &= ~MMAN_spc; +} + +static int +pre_fn(DECL_ARGS) +{ + + pre_syn(n); + + n = n->child; + if (NULL == n) + return 0; + + if (NODE_SYNPRETTY & n->flags) + print_block(".HP 4n", MMAN_nl); + + font_push('B'); + print_node(meta, n); + font_pop(); + outflags &= ~MMAN_spc; + print_word("("); + outflags &= ~MMAN_spc; + + n = n->next; + if (NULL != n) + pre_fa(meta, n); + return 0; +} + +static void +post_fn(DECL_ARGS) +{ + + print_word(")"); + if (NODE_SYNPRETTY & n->flags) { + print_word(";"); + outflags |= MMAN_PP; + } +} + +static int +pre_fo(DECL_ARGS) +{ + + switch (n->type) { + case ROFFT_BLOCK: + pre_syn(n); + break; + case ROFFT_HEAD: + if (n->child == NULL) + return 0; + if (NODE_SYNPRETTY & n->flags) + print_block(".HP 4n", MMAN_nl); + font_push('B'); + break; + case ROFFT_BODY: + outflags &= ~(MMAN_spc | MMAN_nl); + print_word("("); + outflags &= ~MMAN_spc; + break; + default: + break; + } + return 1; +} + +static void +post_fo(DECL_ARGS) +{ + + switch (n->type) { + case ROFFT_HEAD: + if (n->child != NULL) + font_pop(); + break; + case ROFFT_BODY: + post_fn(meta, n); + break; + default: + break; + } +} + +static int +pre_Ft(DECL_ARGS) +{ + + pre_syn(n); + font_push('I'); + return 1; +} + +static void +pre_ft(DECL_ARGS) +{ + print_line(".ft", 0); + print_word(n->child->string); + outflags |= MMAN_nl; +} + +static int +pre_in(DECL_ARGS) +{ + + if (NODE_SYNPRETTY & n->flags) { + pre_syn(n); + font_push('B'); + print_word("#include <"); + outflags &= ~MMAN_spc; + } else { + print_word("<"); + outflags &= ~MMAN_spc; + font_push('I'); + } + return 1; +} + +static void +post_in(DECL_ARGS) +{ + + if (NODE_SYNPRETTY & n->flags) { + outflags &= ~MMAN_spc; + print_word(">"); + font_pop(); + outflags |= MMAN_br; + } else { + font_pop(); + outflags &= ~MMAN_spc; + print_word(">"); + } +} + +static int pre_it(DECL_ARGS) { - const struct mdoc_node *bln; + const struct roff_node *bln; - if (MDOC_HEAD == n->type) { - need_nl = 1; - print_word(".TP"); - bln = n->parent->parent->prev; + switch (n->type) { + case ROFFT_HEAD: + outflags |= MMAN_PP | MMAN_nl; + bln = n->parent->parent; + if (0 == bln->norm->Bl.comp || + (NULL == n->parent->prev && + NULL == bln->parent->prev)) + outflags |= MMAN_sp; + outflags &= ~MMAN_br; switch (bln->norm->Bl.type) { - case (LIST_bullet): - print_word("4n"); - need_nl = 1; - print_word("\\fBo\\fP"); + case LIST_item: + return 0; + case LIST_inset: + case LIST_diag: + case LIST_ohang: + if (bln->norm->Bl.type == LIST_diag) + print_line(".B \"", 0); + else + print_line(".BR \\& \"", 0); + outflags &= ~MMAN_spc; + return 1; + case LIST_bullet: + case LIST_dash: + case LIST_hyphen: + print_width(&bln->norm->Bl, NULL); + TPremain = 0; + outflags |= MMAN_nl; + font_push('B'); + if (LIST_bullet == bln->norm->Bl.type) + print_word("\\(bu"); + else + print_word("-"); + font_pop(); + outflags |= MMAN_nl; + return 0; + case LIST_enum: + print_width(&bln->norm->Bl, NULL); + TPremain = 0; + outflags |= MMAN_nl; + print_count(&bln->norm->Bl.count); + outflags |= MMAN_nl; + return 0; + case LIST_hang: + print_width(&bln->norm->Bl, n->child); + TPremain = 0; + outflags |= MMAN_nl; + return 1; + case LIST_tag: + print_width(&bln->norm->Bl, n->child); + putchar('\n'); + outflags &= ~MMAN_spc; + return 1; + default: + return 1; + } + default: + break; + } + return 1; +} + +/* + * This function is called after closing out an indented block. + * If we are inside an enclosing list, restore its indentation. + */ +static void +mid_it(void) +{ + char buf[24]; + + /* Nothing to do outside a list. */ + if (0 == Bl_stack_len || 0 == Bl_stack[Bl_stack_len - 1]) + return; + + /* The indentation has already been set up. */ + if (Bl_stack_post[Bl_stack_len - 1]) + return; + + /* Restore the indentation of the enclosing list. */ + print_line(".RS", MMAN_Bk_susp); + (void)snprintf(buf, sizeof(buf), "%dn", + Bl_stack[Bl_stack_len - 1]); + print_word(buf); + + /* Remeber to close out this .RS block later. */ + Bl_stack_post[Bl_stack_len - 1] = 1; +} + +static void +post_it(DECL_ARGS) +{ + const struct roff_node *bln; + + bln = n->parent->parent; + + switch (n->type) { + case ROFFT_HEAD: + switch (bln->norm->Bl.type) { + case LIST_diag: + outflags &= ~MMAN_spc; + print_word("\\ "); break; + case LIST_ohang: + outflags |= MMAN_br; + break; default: - if (bln->norm->Bl.width) - print_word(bln->norm->Bl.width); break; } - need_nl = 1; + break; + case ROFFT_BODY: + switch (bln->norm->Bl.type) { + case LIST_bullet: + case LIST_dash: + case LIST_hyphen: + case LIST_enum: + case LIST_hang: + case LIST_tag: + assert(Bl_stack_len); + Bl_stack[--Bl_stack_len] = 0; + + /* + * Our indentation had to be restored + * after a child display or child list. + * Close out that indentation block now. + */ + if (Bl_stack_post[Bl_stack_len]) { + print_line(".RE", MMAN_nl); + Bl_stack_post[Bl_stack_len] = 0; + } + break; + case LIST_column: + if (NULL != n->next) { + putchar('\t'); + outflags &= ~MMAN_spc; + } + break; + default: + break; + } + break; + default: + break; } - return(1); } +static void +post_lb(DECL_ARGS) +{ + + if (SEC_LIBRARY == n->sec) + outflags |= MMAN_br; +} + static int +pre_lk(DECL_ARGS) +{ + const struct roff_node *link, *descr, *punct; + + if ((link = n->child) == NULL) + return 0; + + /* Find beginning of trailing punctuation. */ + punct = n->last; + while (punct != link && punct->flags & NODE_DELIMC) + punct = punct->prev; + punct = punct->next; + + /* Link text. */ + if ((descr = link->next) != NULL && descr != punct) { + font_push('I'); + while (descr != punct) { + print_word(descr->string); + descr = descr->next; + } + font_pop(); + print_word(":"); + } + + /* Link target. */ + font_push('B'); + print_word(link->string); + font_pop(); + + /* Trailing punctuation. */ + while (punct != NULL) { + print_word(punct->string); + punct = punct->next; + } + return 0; +} + +static void +pre_onearg(DECL_ARGS) +{ + outflags |= MMAN_nl; + print_word("."); + outflags &= ~MMAN_spc; + print_word(roff_name[n->tok]); + if (n->child != NULL) + print_word(n->child->string); + outflags |= MMAN_nl; + if (n->tok == ROFF_ce) + for (n = n->child->next; n != NULL; n = n->next) + print_node(meta, n); +} + +static int +pre_li(DECL_ARGS) +{ + + font_push('R'); + return 1; +} + +static int pre_nm(DECL_ARGS) { + char *name; - if (MDOC_ELEM != n->type && MDOC_HEAD != n->type) - return(1); - print_word("\\fB"); - need_space = 0; - if (NULL == n->child) - print_word(m->name); - return(1); + if (n->type == ROFFT_BLOCK) { + outflags |= MMAN_Bk; + pre_syn(n); + } + if (n->type != ROFFT_ELEM && n->type != ROFFT_HEAD) + return 1; + name = n->child == NULL ? NULL : n->child->string; + if (NULL == name) + return 0; + if (n->type == ROFFT_HEAD) { + if (NULL == n->parent->prev) + outflags |= MMAN_sp; + print_block(".HP", 0); + printf(" %dn", man_strlen(name) + 1); + outflags |= MMAN_nl; + } + font_push('B'); + return 1; } static void post_nm(DECL_ARGS) { - if (MDOC_ELEM != n->type && MDOC_HEAD != n->type) - return; - need_space = 0; - print_word("\\fP"); + switch (n->type) { + case ROFFT_BLOCK: + outflags &= ~MMAN_Bk; + break; + case ROFFT_HEAD: + case ROFFT_ELEM: + if (n->child != NULL && n->child->string != NULL) + font_pop(); + break; + default: + break; + } } static int +pre_no(DECL_ARGS) +{ + + outflags |= MMAN_spc_force; + return 1; +} + +static int pre_ns(DECL_ARGS) { - need_space = 0; - return(0); + outflags &= ~MMAN_spc; + return 0; } static void post_pf(DECL_ARGS) { - need_space = 0; + if ( ! (n->next == NULL || n->next->flags & NODE_LINE)) + outflags &= ~MMAN_spc; } static int pre_pp(DECL_ARGS) { - need_nl = 1; - if (MDOC_It == n->parent->tok) - print_word(".sp"); - else - print_word(".PP"); - need_nl = 1; - return(1); + if (MDOC_It != n->parent->tok) + outflags |= MMAN_PP; + outflags |= MMAN_sp | MMAN_nl; + outflags &= ~MMAN_br; + return 0; } static int +pre_rs(DECL_ARGS) +{ + + if (SEC_SEE_ALSO == n->sec) { + outflags |= MMAN_PP | MMAN_sp | MMAN_nl; + outflags &= ~MMAN_br; + } + return 1; +} + +static int +pre_skip(DECL_ARGS) +{ + + return 0; +} + +static int +pre_sm(DECL_ARGS) +{ + + if (NULL == n->child) + outflags ^= MMAN_Sm; + else if (0 == strcmp("on", n->child->string)) + outflags |= MMAN_Sm; + else + outflags &= ~MMAN_Sm; + + if (MMAN_Sm & outflags) + outflags |= MMAN_spc; + + return 0; +} + +static void pre_sp(DECL_ARGS) { + if (outflags & MMAN_PP) { + outflags &= ~MMAN_PP; + print_line(".PP", 0); + } else { + print_line(".sp", 0); + if (n->child != NULL) + print_word(n->child->string); + } + outflags |= MMAN_nl; +} - need_nl = 1; - print_word(".sp"); - return(1); +static int +pre_sy(DECL_ARGS) +{ + + font_push('B'); + return 1; } static void -post_sp(DECL_ARGS) +pre_ta(DECL_ARGS) { + print_line(".ta", 0); + for (n = n->child; n != NULL; n = n->next) + print_word(n->string); + outflags |= MMAN_nl; +} - need_nl = 1; +static int +pre_vt(DECL_ARGS) +{ + + if (NODE_SYNPRETTY & n->flags) { + switch (n->type) { + case ROFFT_BLOCK: + pre_syn(n); + return 1; + case ROFFT_BODY: + break; + default: + return 0; + } + } + font_push('I'); + return 1; } +static void +post_vt(DECL_ARGS) +{ + + if (n->flags & NODE_SYNPRETTY && n->type != ROFFT_BODY) + return; + font_pop(); +} + static int pre_xr(DECL_ARGS) { n = n->child; if (NULL == n) - return(0); - print_node(m, n); + return 0; + print_node(meta, n); n = n->next; if (NULL == n) - return(0); - need_space = 0; + return 0; + outflags &= ~MMAN_spc; print_word("("); - print_node(m, n); + print_node(meta, n); print_word(")"); - return(0); + return 0; }